Finding the Fourth Proportional to 1,543.49, 2,314.69 and 957.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543.49 : 2,314.69 = 957.59 : x
2. Step 2: Convert to fraction form
   1,543.49/2,314.69 = 957.59/x
3. Step 3: Cross multiply
   1,543.49x = 2,314.69 × 957.59
4. Step 4: Simplify right side
   1,543.49x = 2,216,507.64
5. Step 5: Solve for x
   x = 2,216,507.64/1,543.49
6. Step 6: Final answer
   x = 1,436.04